Hair brush



FIG. 1 is a perspective view of a hair brush showing my new design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof, showing the hair brush in an environment of use; and,

FIG. 9 is another perspective view thereof, showing the hair brush in an alternate environment of use.

The broken lines in the drawings illustrate portions of the hair brush that form no part of the claimed design. 

CLAIM The ornamental design for a hair brush, as shown and described. 